(19)
(11) EP 1 249 075 A1

(12)

(43) Date of publication:
16.10.2002 Bulletin 2002/42

(21) Application number: 01902997.4

(22) Date of filing: 08.01.2001
(51) International Patent Classification (IPC)7H04B 1/10
(86) International application number:
PCT/US0100/602
(87) International publication number:
WO 0105/2431 (19.07.2001 Gazette 2001/29)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 13.01.2000 US 483948

(71) Applicant: Atheros Communications, Inc.
Palo Alto, CA 94301 (US)

(72) Inventor:
  • ZARGARI, Masoud
    Mountain View, CA 94040 (US)

(74) Representative: Wombwell, Francis 
Potts, Kerr & Co.15, Hamilton Square
BirkenheadMerseyside CH41 6BR
BirkenheadMerseyside CH41 6BR (GB)

   


(54) AN RF FRONT-END WITH A MULTISTAGE STEPDOWN FILTERING ARCHITECTURE